Elimination of electric-pop noise in MR/GMR device
US7256970B2 · kind B2 · utility
2Cited by
32References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 12, 2002 |
| Grant date | Aug 14, 2007 |
| Priority date | — |
| Expiry date | Dec 12, 2022 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B2005/3996
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A magnetic reading head comprising: a bottom shield; a top shield; an AMR device with MR and SAL separated by a thin insulating layer; a first insulting gap layer between said bottom shield and said AMR; a second insulating gap layer between said AMR and said top shield; a conductive layer contact at one end region of said MR and SAL. Furthermore, magnetic reading heads with GMR device free of electric-pop noise also are disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.